Viewing file:  Image.php (1.7 KB) -rw-r--r--
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<?php
namespace Spatie\ImageOptimizer;
use InvalidArgumentException;
class Image
{
protected $pathToImage = '';
protected const ALLOWED_PROTOCOLS = ['file'];
protected const WINDOWS_LOCAL_FILENAME_REGEX = '/^[a-z]:(?:[\\\\\/]?(?:[\w\s!#()-]+|[\.]{1,2})+)*[\\\\\/]?/i';
public function __construct(string $pathToImage)
{
if (! $this->isProtocolAllowed($pathToImage)) {
throw new InvalidArgumentException(\sprintf('The output file scheme is not supported. Expected one of [\'%s\'].', \implode('\', \'', self::ALLOWED_PROTOCOLS)));
}
if (! file_exists($pathToImage)) {
throw new InvalidArgumentException("`{$pathToImage}` does not exist");
}
$this->pathToImage = $pathToImage;
}
public function mime(): string
{
return mime_content_type($this->pathToImage);
}
public function path(): string
{
return $this->pathToImage;
}
public function extension(): string
{
$extension = pathinfo($this->pathToImage, PATHINFO_EXTENSION);
return strtolower($extension);
}
protected function isProtocolAllowed($filename)
{
if (false === $parsedFilename = \parse_url($filename)) {
throw new InvalidArgumentException('The filename is not valid.');
}
$protocol = isset($parsedFilename['scheme']) ? \mb_strtolower($parsedFilename['scheme']) : 'file';
if (
\PHP_OS_FAMILY === 'Windows'
&& \strlen($protocol) === 1
&& \preg_match(self::WINDOWS_LOCAL_FILENAME_REGEX, $filename)
) {
$protocol = 'file';
}
return \in_array($protocol, self::ALLOWED_PROTOCOLS, true);
}
}
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